Biology News
Department of Chemistry and Biochemistry Invests in System to Recycle a Precious Resource, Helium - University of Arkansas Newswire


University of Arkansas Newswire
The Department of Chemistry and Biochemistry in the J. William Fulbright College of Arts and Sciences recently installed a liquid helium recovery system. Wesley Stites, the department's chair, said the investment for the system cost about $250,000, but ...

New system can identify drugs to target 'undruggable' enzymes critical in many diseases - Science Daily


Science Daily
Scientists from the Medical Research Council (MRC) Laboratory of Molecular Biology, in Cambridge, UK, demonstrated the capabilities of the new system by identifying a molecule that could successfully target a phosphatase to reduce the accumulation of ...

New Human Evolution Theory: We Won Not Because of Smarts but Because of Versatility - Haaretz


Haaretz
The evidence for any theory of human evolution is scanty in the extreme. The Denisovans are known from a handful of peripheral bones, we don't know completely where Neanderthals really ranged or when (or why) they died out – and the less confidently ...

Bones and Skeletal System

Washington, District of Columbia - United States

Many people are familiar with a hambone as a cross-section of a typical bone. The center of the bone is filled with marrow, and this is surrounded by the hardened bone tissue itself. If you would examine a bit of this hard bone tissue under a microscope, it would look like the picture to the right. In bone, the extracellular matrix is composed of collagen with Ca3(PO4)2 deposited in it. Note that since vitamin C is needed for collagen synthesis, getting a little extra while a broken bone is healing would probably be a good idea. Bone tissue is composed of repeating, circular units called Haversian systems. Within each Haversian system, there is a central canal where blood vessels and nerves can be found. This is surrounded by concentric layers of the matrix material called lamellae. The darkly-stained spots are spaces called lacunae which contain the osteocytes.

Related
Skeletal System
United States

Skeletal system is the biological system providing support in living organisms. Skin, muscle and bones allow movement. Skin - pliable covering. Muscles do actual moving. Bones give anchor to move against. The skeleton functions not only as the support for the body but also in haematopoiesis, the manufacture of blood cells that takes place in bone marrow. This is why people who have cancer of the bone marrow almost always die. It is also necessary

Medpedia:Skeletal System
United States

Humans are vertebrates, animals that have a vertebral column or backbone. They rely on a sturdy internal frame that is centered on a prominent spine. The human skeletal system consists of bones and cartilages, and accounts for about 20% of body weight. Most adults have 206 bones.

Healthline: Skeletal System
United States

The skeletal system is a living, dynamic, bony framework of the body, with networks of infiltrating blood vessels. Inside every person is a skeleton, a sturdy framework of about 206 bones that protects the body's organs, supports the body, provides attachment points for muscles to enable body movement, functions as a storage site for minerals such as calcium and phosphorus, and produces blood cells.

Human Anatomy Online: Skeletal System
United States

Features an interactive diagram of the human skeleton.

Human Body's Skeletal System Theme Page
Canada

Links to sites with information about the human skeletal system.

Canada

A discussion and thorough critique of claims that human bones have been found in context with Carboniferous age geological formations.

United States

Animation showing the skeleton with each bone identified.

BARF: Bones and Raw Food
Canada

About putting your dog on a raw food diet.

Living Skeleton: A Tour of Human Bones
United States

Explore the human skeleton with this online photo tour. Eight sections represent different areas of the human body, with photographs of disarticulated bones as well as X-ray images. From the National Health Museum.

Piltdown Man: The Bogus Bones Caper
United States

Home page for Piltdown man, a paleontological "man who never was."